203.17.34.0/23

AS24543 · AS FIRST DATA ELECTRONIC tRANSACTION PROCESSOR SYDNEY

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Summary

Country	Australia
Domain	firstdata.com.au
ASN	AS24543
Parent Range	203.17.32.0/22
Registry	APNIC
ID	FIRSTDATA-AU

WHOIS Details

inetnum:        203.17.32.0 - 203.17.35.255
netname:        FIRSTDATA-AU
descr:          First Data Resources Australia
descr:          Level 9, 168 Walker Street
descr:          North Sydney
descr:          NSW 2060
country:        AU
org:            ORG-FDI1-AP
admin-c:        SC1120-AP
tech-c:         SC1120-AP
abuse-c:        AF541-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-irt:        IRT-FIRSTDATA-NON-AU
last-modified:  2020-08-11T13:59:34Z
source:         APNIC

irt:            IRT-FIRSTDATA-NON-AU
address:        First Data International
address:        Level 30, 100 Mount Street
address:        North Sydney
address:        NSW 2060
e-mail:         domainadmin@firstdatacorp.com
abuse-mailbox:  domainadmin@firstdatacorp.com
admin-c:        SC1120-AP
tech-c:         SC1120-AP
auth:           # Filtered
remarks:        domainadmin@firstdatacorp.com was validated on 2025-12-25
mnt-by:         MAINT-AU-FIRSTDATA
last-modified:  2025-12-25T13:13:37Z
source:         APNIC

organisation:   ORG-FDI1-AP
org-name:       First Data International
org-type:       LIR
country:        AU
address:        Level 30, 100 Mount Street
phone:          +61-2-9959-7950
fax-no:         +61-2-9955-9593
e-mail:         GNS-ANZ@firstdata.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:04Z
source:         APNIC

role:           ABUSE FIRSTDATANONAU
country:        ZZ
address:        First Data International
address:        Level 30, 100 Mount Street
address:        North Sydney
address:        NSW 2060
phone:          +000000000
e-mail:         domainadmin@firstdatacorp.com
admin-c:        SC1120-AP
tech-c:         SC1120-AP
nic-hdl:        AF541-AP
remarks:        Generated from irt object IRT-FIRSTDATA-NON-AU
remarks:        domainadmin@firstdatacorp.com was validated on 2025-12-25
abuse-mailbox:  domainadmin@firstdatacorp.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-25T13:13:59Z
source:         APNIC

person:         Stephen Cahill
address:        First Data International
address:        Level 9, 168 Walker Street
address:        North Sydney
address:        NSW  2060
phone:          +61-2-99599750
fax-no:         +61-2-99559593
country:        AU
e-mail:         stephen.cahill@firstdata.com.au
nic-hdl:        SC1120-AP
mnt-by:         MAINT-FIRSTDATA-NON-AU
last-modified:  2021-03-22T00:51:02Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.17.34.0/23

Range	ASN	Company	Num of IPs
203.17.32.0/22	AS24543	First Data Resources Australia	1,024

Nearby Ranges

BGP prefixes that overlap with 203.17.0.0/16

Range	ASN	Company	Num of IPs
203.17.96.0/21	AS4739	iiNet Limited	2,048
203.17.168.0/21	AS9893	Cenitex	2,048
203.17.40.0/21	AS1221	Telstra Limited	2,048
203.17.240.0/22	AS140065	CiFi Pty Ltd	1,024
203.17.204.0/22	AS4826	Mitsubishi Electric Australia Pty Ltd	1,024
203.17.76.0/22	AS17766	Nexon Asia Pacific Pty Ltd	1,024
203.17.32.0/22	AS24543	First Data Resources Australia	1,024
203.17.148.0/22	AS38611	Bendigo Community Telco Limited	1,024
203.17.244.0/23	AS137409	GSL Networks Pty LTD	512
203.17.220.0/23	AS8075	AUSTRADE	512
203.17.212.0/23	AS38333	My Net Fone Limited	512
203.17.245.0/24	AS137409	GSL Networks Pty LTD - Amsterdam	256
203.17.137.0/24	AS150151	SKY COMMUNICATIONS INTERNET SERVICES	256
203.17.177.0/24	AS154167	Rackmill	256
203.17.138.0/24	AS16509	SingTel Optus Pty Ltd	256
203.17.165.0/24	AS16509	Uniware Managed Services Pty Ltd	256
203.17.236.0/24	AS17632	Barristers' Chambers Limited,	256
203.17.70.0/24	AS17807	State Library of Queensland	256
203.17.23.0/24	AS17882	Univision LLC	256
203.17.126.0/24	AS209242	LACHTARISTO HOLDINGS LIMITED	256
203.17.123.0/24	AS212384	Private Customer	256
203.17.251.0/24	AS2764	Data Analysis Australia	256
203.17.66.0/24	AS34414	Nokia Solutions and Networks Australia Pty Ltd	256
203.17.226.0/24	AS38424	KOREA CABLE TELECOM	256
203.17.36.0/24	AS38719	Dreamscape Networks PTY LTD	256
203.17.166.0/24	AS45158	ISW Technology Pty Ltd	256
203.17.253.0/24	AS45240	Realestate.com.au Limited	256
203.17.225.0/24	AS45570	Active Ideas Pty. Ltd.	256
203.17.185.0/24	AS45867	Commonwealth Bank of Australia	256
203.17.7.0/24	AS4826	City Of Kwinana	256
203.17.93.0/24	AS4826	Denver Technology	256
203.17.65.0/24	AS63996	MD Rehanur Rahman t/a M/S FNF Online	256
203.17.8.0/24	AS7545	TPG Internet Pty Ltd.	256
203.17.215.0/24	AS7637	State Library of Victoria	256
203.17.29.0/24	AS7703	Westway Nominees Pty Ltd t/a Bekkers	256
203.17.73.0/24	AS9268	Ultrahost Pty Ltd	256
203.17.167.0/24	AS9336	ID Interdomain	256
203.17.120.0/24	AS9893	Cenitex	256
203.17.31.0/24	AS10215	Microland Limited	256
203.17.163.0/24	AS9942	TPG Internet Pty Ltd.	256
203.17.237.0/24	AS10557	UAB code200	256
203.17.162.0/24	AS1221	Telstra Limited	256
203.17.194.0/24	AS131302	294/3 Vidhya Nagari Marg	256
203.17.12.0/24	AS134802	Naic Cable TV Corp.	256
203.17.180.0/24	AS135600	Whiz Communications Pte Ltd	256
203.17.181.0/24	AS135600	Whiz Communications Pte Ltd	256
203.17.214.0/24	AS136518	Department of Planning, Lands and Heritage	256
203.17.193.0/24	AS136572	The Office of the Chief Information Officer (OCIO)	256
203.17.154.0/24	AS137060	The Club Group Pty Limited	256
203.17.244.0/24	AS137409	GSL Networks Pty LTD - Amsterdam	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
86.97.195.199	AS5384 Emirates Internet	`0.57ms` from Al Fujairah City, AE
96.192.125.39	AS7922 Comcast Cable Communications, LLC	`9.01ms` from Ashburn, US
4.246.144.103	AS8075 Microsoft Corporation	`0.40ms` from Ashburn, US
104.55.245.23	AS7018 AT&T Enterprises, LLC	`1.36ms` from Atlanta, US
52.119.170.151	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
151.101.113.7	AS54113 Fastly, Inc.	`0.09ms` from Dallas, US
108.157.153.39	AS16509 Amazon.com, Inc.	`0.08ms` from Kansas City, US
85.173.64.215	AS12389 PJSC Rostelecom	`18.92ms` from Moscow, RU
109.195.6.87	AS50498 JSC "ER-Telecom Holding"	`7.12ms` from Moscow, RU
67.245.148.7	AS12271 Charter Communications Inc	`3.59ms` from New York City, US
179.110.183.215	AS27699 TELEFÔNICA BRASIL S.A	`2.81ms` from Osasco, BR
82.125.54.151	AS3215 Orange S.A.	`8.47ms` from Paris, FR
104.233.184.231	AS54600 PEG TECH INC	`0.88ms` from San Jose, US
166.140.57.199	AS6167 Verizon Business	`15.63ms` from San Jose, US
41.100.149.87	AS36947 Telecom Algeria	`13.65ms` from Valencia, ES
188.16.9.199	AS12389 PJSC Rostelecom	`0.79ms` from Yekaterinburg, RU
185.35.35.7	AS35467 DDFR IT Infra & Security B.V.	`3.28ms` from Amsterdam, NL
68.228.135.231	AS22773 Cox Communications Inc.	`9.31ms` from Ashburn, US
142.173.59.183	AS6079 RCN	`2.97ms` from Ashburn, US
44.239.105.199	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US
34.134.119.55	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
109.255.193.55	AS6830 Liberty Global Europe Holding B.V.	`11.15ms` from Dublin, IE
77.7.12.231	AS6805 Telefonica Germany GmbH & Co.OHG	`8.90ms` from Frankfurt am Main, DE
116.114.154.103	AS4837 CHINA UNICOM China169 Backbone	`7.69ms` from Hohhot, CN
90.216.126.215	AS5607 Sky UK Limited	`6.58ms` from London, GB

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -m5 203.17.34.123

traceroute to 203.17.34.123 (203.17.34.123): 5 hops max, 52 byte packets

1 [AS202422] 92.223.79.2 0.136 ms

2 [AS199524] 45.82.101.2 0.107 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Milan, IT

On January 30th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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